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How to

How to


Products: Automation Server, AS-B, Enterprise Server, AS-P, WorkStation, Virtual Project Servers
Functionalities: Trends
Product version: 1.9
12/14/2016

Managing Replacement of a Meter

You have to manage the meter settings each time a meter is replaced.

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​The meter trend log is a variable triggered trend log with extra functionality to seamlessly handle consumption calculations independent of meter rollover or meter exchange.

For more information, see Variable Triggered Trend Logs .

You create and configure meter trend logs using WorkStation.

For example, in the figure below, the meter trend log records a meter the 1st of every month. In the middle of February the meter rolls over to 00000. A chart with meter consumption calculation prints the consumption every month.

 
action_zoom_plus_stroke Meter trend log
Figure: Meter trend log

When physically replacing an old meter with a new one, you have to configure the meter trend log by adding the settings of the old meter and new meter in the Manage replacement of meter dialog box in WorkStation. These settings are the foundation to handle a meter rollover or calculating consumption though meter replacement. For more information, see Manage Replacement of Meter Dialog Box .

 
action_zoom_plus_stroke Manage replacement of meter dialog box where you enter the values of the new and old meter.
Figure: Manage replacement of meter dialog box where you enter the values of the new and old meter.
Note:

  • In order for a meter rollover to be managed correctly in the meter trend log and to ensure logging starts at the correct energy reading value, you enter previous meter and new meter information in the Manage replacement of meter dialog box. For more information, see Managing Replacement of a Meter .

To manage replacement of a meter

  1. In WorkStation, in the System Tree pane, select the meter trend log you want to manage.

  2. On the Actions menu, click Manage Meter .

  3. In the End time box, enter the end time of the old meter. Preferably the time when the meter is replaced.

     
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  4. In the End value box, type the value of the old meter when it was replaced.

  5. In the Start time box, enter the time when the new meter is installed.

  6. In the Start value box, type the current value of the new meter when it was installed.

  7. In the Meter constant box, type the constant of the new meter.

    Important:

    New meter:

    • Type the constant of the new meter if unit conversion is not used in the meter trend log, for example, the old meter trend log counted in grams and the new one counts in kilos (10 3 ) type 1000.

    • If unit conversion is used in the meter trend log - do not change the meter constant.

  8. In the Min value box, type the first value of the new meter when it rolls over.

  9. In the Max value box, type the last value of the new meter before it rolls over.

     
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  10. Click OK .

See Also

  • Creating a Meter Trend Log and Associated Objects
  • Meter Trend Logs
  • Meter Trend Log Calculation Fails
  • Manage Replacement of Meter Dialog Box